[Ips-whfpr] IPS Weekly Prop. Report (09 May 12) issued 0306 UT on 09 May 2012

Wed May 9 13:06:44 EST 2012

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 09 MAY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 MAY - 08 MAY)
Date   T index   Conditions        
02 May   64      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 40%
      14-20 UT.
   Niue Island Region:
      Near predicted monthly values. Depression to 25% 11 UT.
      No data 12-22 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 20%
      05-07 and 19-21 UT at Darwin. Mostly 10-20% depressed
      at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 15% depressed.
      Depressions to 25% 12-16 UT at Hobart and Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

03 May   73      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 25%
      11-17 and 21-23 UT.
   Niue Island Region:
      Near predicted monthly values. Depression to 25% 22-23 UT.
   Northern Australian Region:
      Mostly near predicted monthly values. Depressions to 15%
      around 05-06 and 13-17 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values. Depressions to 30% 11-16 UT
      at Learmonth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 20% depressed.

04 May   64      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 30%
      13-23 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 20%
      00-04 and 20-23 UT, depressions to 30% 10-14 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      at Darwin 11-19 UT and 09-16 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 25%
      08-21 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 30% depressed.

05 May   69      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to 35%
      04-12 UT, depressions to 30% 14-17, 23 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 20%
      00-05, 21-23 UT, depressions to 35% 08-15 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 20%
      10-16 UT at Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with occasional
      depressions to 20%. Depressions to 35% 10-18 UT at
      Hobart, Learmonth and Perth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 40%
      12-20 UT.

06 May   68      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values. Depressions to 35%
      13-15 UT. No data 16-19 UT.
   Niue Island Region:
      Near predicted monthly values to 15% depressed; 20-35%
      depressed 08-14 UT.
   Northern Australian Region:
      Near predicted monthly values with 25-40% depressions,
      11-19 UT at Darwin, and depressed to 25% 10-20 UT at
      Townsville.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values. Depressions 20-30%
      11-16 UT at Hobart, Learmonth and Perth.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with some depressions to
      30% 18-21 UT.

07 May   66      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
      Brisbane, Perth mostly depressed 20%. 
      Evening spread-F observed Hobart.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

08 May   59      Fair-normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Norfolk Island depressed 20% at times. 
      Sydney, Canberra depressed 20% 03-10UT.
      Perth depressed 20% 05-07 and 10-17UT
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for May:  79

2. FORECAST (09 MAY - 15 MAY) 
MUFS: briefly depressed after local dawn on 9-10 May
MUFs near predicted monthly values on other days.

Propagation conditions: Fair on 9-10 May. Otherwise normal. SWFs probable early
in week.

T index: 79

3. OUTLOOK (16 MAY - 15 JUNE)
Degraded HF propagation conditions possible:
28-29 May,  04-05 Jun

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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